Moses n



(No Model.)

A. B. STEVENS, Dead.

M. N. BAKER, Administrator. SPRING ATTACHMENT FOR ROCKING CHAIRS.

No.423,882. Patented Mar. 18, 1890.

, ATTORN Y Phnwumogmpm. washingmn. D. C.

UNITED STATES.

PATENT OFFICE.

ASHER B. STEVENS, OF BROOKLYN, NEYV YORK; MOSES N. BAKER (ADMIN- ISTRATOR) ASSIGNOR TO THE ROCKER SPRING COMPANY, OF CHICAGO,

ILLINOIS.

SPRING ATTACHMENT FOR ROCKING-CHAIRS.

SPECIFICATION forming part of Letters Patent No. 423,882, dated March 18, 1890.

Application filed May 26, 1888.

To aZZ whom it may concern.-

Be it known that I, ASHER B. STEvENs, a citizen of the United States, residing at Brooklyn, New York, have invented certain new and useful Improvements in Spring Attachments for Rocking-Chairs, of which the following is aspecification. 1

The object of my invention is to make an attachment for rocking chairs in which, among other things, the tension of the spring may be adjusted; and my invention consists in the features and details of construction hereinafter described and claimed.

I11 the drawings, Figure 1 is a side eleva- 15 tion of a portion of the rocker andbase-rail of a rockin g-chair with my spring attachments in place. Fig. 2 is a section of the same, taken through the line new of Fig. 1. Fig. 3 is a side elevation of a portion of the rocker and baserail of a rocking-chair with a modified form of my spring attachments in place. Fig. 4.is a section of the same, taken through line y 3 of Fig. 3; and Figs. 5, 6, 7, 8, and 9 are views of end caps, brackets, &c., used in attaching the spring, and not necessary to be described in detail.

A is the rocker; B, the base-rail; C, the bracket or stud attached to the rocker; D, the bracket attached to the base-rail to receive one end of a coiled spring; E, a coiled spring with one end fitted to the bracket D; F, a cap on the other end of the coiled spring; G, a wire or rod running from the cap F up through the coiled spring to and connecting with the 3 5 stud C, and H a nut on the rod bearing against the cap F and serving to adjust or regulate the tension of the coiled spring.

In making my improved attachments for platform rocking-chairs I make a bracket or stud, which I attach by screws or otherwise to the rocker of the chair, and which extends out from the same a suflicient distance to atford a convenient bearing for the end of a wire or rod, as hereinafter described. I then 4 5 make a' bracket adapted to receive and retain the end of a coiled spring in any suitable manner, and attach it by screws or otherwise to the base-rail of the chair and in proper relative position to the stud on the rocker. I

Serial No. 275,257. \No model.)

then take a coiled spring of suitable size and form and attach or connect one of its ends to the bracket on the base-rail of the chair, and so that its other end extends downward. I then attach to or put a cap on the lower end of the spring. I then run a wire or rod down through the coiled spring and through the cap and connect its upper end by a hook, hole, or loop in any suitable manner to the stud on the rocker and put a nut on its lower end, which is threaded for the purpose, and screw it up against the cap- This completes the arrangement of the parts By screwing the nut up or down on the rod the tension of the spring may be varied or regulated at pleasure.

In Figs. 3 and 4: I have shown a series of teeth on the brackets intermeshing with each other; but these may be dispensed with, as in Figs. 1 and 2, if desired.

Various other changes and modifications may be made, so long as there is a stud or bracket attached to the base, a coiled spring attached to one of these brackets, a cap on or in the other end of the spring, and a rod adjustably connecting .the cap with the bracket to which the coiled spring is not attached, whereby its tension may be regulated or changed at pleasure. Q

What I regard as new, and desire to secure by Letters Patent, is-

A platform rocking-chair attachment comprising a compressible spiral spring, studs or bracket-s adapted to be secured at the side of the rocker and base and affording fixed points of connection thereon, respectively, a coiled spring having one of its ends secured to one of the studs or brackets, a cap on or in the other end of the spring, and a rod adjustably connected with the cap and extending through the coiled spring and connecting the cap to the stud or bracket to which the coiled spring is not secured and at a distance therefrom u ncha'ngeable by the rocking movement of the chair, substantially as described.

ASHER B. STEVENS. lVitnesses:

JOHN S. FERGUSON, RUSSELL RANDOLPH. 

